General

  • Target

    099f552545c6ba27759a20cc725b56e4_JaffaCakes118

  • Size

    392KB

  • Sample

    240430-mszn4sac35

  • MD5

    099f552545c6ba27759a20cc725b56e4

  • SHA1

    a01249149da860d1c337e5c16f7edcf6f463bb16

  • SHA256

    998464e8b71a964f3c4d2f2f4e9c6e828665fa2b24db707c8687afb85aee9486

  • SHA512

    47ac24f36e8a9d50ebfa9fb2d2184a9a28228219c3267c5d180f5fd054afd530679c13dd5ece0179e48dac4afb178ea18b46feed95f502b719b1bb9b36e53fc9

  • SSDEEP

    6144:jbzRN9hT3EsOp31OPU1TFYVC/VB2VPoxpcrlcMzOZtJqV3AEGvqF4QdMT+OkFlUL:vBB3UJ1NnVI6um3qV3AlUxXvM

Malware Config

Targets

    • Target

      099f552545c6ba27759a20cc725b56e4_JaffaCakes118

    • Size

      392KB

    • MD5

      099f552545c6ba27759a20cc725b56e4

    • SHA1

      a01249149da860d1c337e5c16f7edcf6f463bb16

    • SHA256

      998464e8b71a964f3c4d2f2f4e9c6e828665fa2b24db707c8687afb85aee9486

    • SHA512

      47ac24f36e8a9d50ebfa9fb2d2184a9a28228219c3267c5d180f5fd054afd530679c13dd5ece0179e48dac4afb178ea18b46feed95f502b719b1bb9b36e53fc9

    • SSDEEP

      6144:jbzRN9hT3EsOp31OPU1TFYVC/VB2VPoxpcrlcMzOZtJqV3AEGvqF4QdMT+OkFlUL:vBB3UJ1NnVI6um3qV3AlUxXvM

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VirtualBox drivers on disk

    • ModiLoader Second Stage

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops startup file

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks